# Butterflies can fly at twenty mph
# The hummingbird is the only bird which can fly backwards
# Hummingbirds have the fastest metabolism of any animal, they require from 6,000 to 12,400 calories per day (depending on the species)
# An electric eel will short circuit if put into salt water
# A kangaroo can't jump unless it's tail is touching the ground
# Camel's milk does not curdle.
# Reindeer milk has three times the protein of cow milk